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Method by which elemental sulfur is mined or extracted. Sulfur is melted with superheated water (at 170°C under high pressure) and forced to the surface of the earth as a slurry.

 

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Secondary Voltaic Cells

Voltaic cells that can be recharged, original reactanats can be regenerated be reversing the direction of the current flow.

Dipole Moment

The product of the distance separating opposite charges of equal magnitude of the charge, a measure of the polarity of a bond or molecule, a measured dipole moment refers to the dipole moment of an entire molecule.

Carbonium ion

An orgainic ion carrying a positive charge on a carbon atom.

Tyndall Effect

The scattering of light by colloidal particles.

Conjugated Double Bonds

Double bonds that are separated from each other by one single bond -C=C-C=C-.

Kinetic Energy

Energy that matter processes by virtue of its motion.

Rate-law Expression

Equation relating the rate of a reaction to the concentrations of the reactants and the specific rate of the constant.

Formula Unit

The smallest repeating unit of a substance. The molecule for nonionic substances

Designated area

An area that may be used for work with carcinogens, reproductive toxins, or substances that have a high degree of acute toxicity. A designated area may be the entire laboratory, an area of a laboratory, or a device such as a laboratory hood.

Electrode Potentials

Potentials, E, of half-reactions as reductions versus the standard hydrogen electrode.